America's communications with friendly civilized nations is vital, and the nation's trust and confidence is placed in the hands of the diplomatic courier. Join Stephen McQuinn (Cesar Romero) as he travels the globe on assignment for the United States diplomatic corps in this fast-paced international espionage series.

Rome: While investigating an embassy leak of classified documents, McQuinn uncovers a German counterfeiting plot.

Paris: McQuinn encounters a friend in need when scandal, love and the Bulgarian police come calling.

Geneva: On assignment in Geneva, McQuinn stumbles upon a Russian assassination plot.